Aquatic Herbicide Application – Diquat + Endothall Treatment

The contract involves the application of a copper-free herbicide mixture consisting of 1.5 gallons of Diquat and 1 gallon of Endothall per acre to control curly-leafed pondweed across 80 acres of water bodies where copper-based treatments are restricted or environmentally sensitive. This treatment is specifically designed to manage invasive aquatic vegetation without introducing copper compounds, ensuring compliance with ecological protections in vulnerable aquatic environments. The work must be carried out according to specified application rates and environmental safety standards to minimize impact on non-target species and water quality. The contract is classified as a subcontract under NAICS code 541620, indicating it falls within environmental consulting and related services. It was posted on May 18, 2026, with responses due by June 5, 2026, and is managed by the Tennessee Department of General Services under the Tennessee agency. The place of performance and point of contact details are not specified, but interested parties must review the official solicitation through the provided Tennessee government portal for additional requirements, qualification criteria, and submission instructions. The project reflects a commitment to environmentally responsible aquatic weed management in sensitive water systems across the state.